Of course no one but a church could possibly hope to run charities, food shelves, hospitals and orphanages.
Of course not. There are plenty of charities that do this that are not churches. Even the government (in theory) does some of this work too.
Unfortunately, they do not do enough of it - especially in this political climate of "makers and moochers" - so despite what you may hear about a few "wealth theology" abominations, most churches (and synagogues, and temples and mosques etc.) actually do a lot of work to patch up the truly evil state of the US "safety net". Just near me, local churches provide homeless shelters, food banks, cheap to free meeting space for support groups and if all else fails, a steady stream of volunteers for simply doing such work. BTW, I live in fairly large, affluent and nominally "liberal" city and these problems are still widespread.
And this is why churches have traditionally been given tax-exempt status - along with other organizations that do such work. Not because they are churches but because of the work they do.
The vast majority of us in worship communities would welcome help of any kind. For my part, I don't care if you are an atheist or an animist: If you want to do the work of the Kingdom, then I say that what we have in common is far more important than a few ontological squabbles.